Active Member
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[China]
Address: No. 80, Tongji Avenue, Qingbaijiang District, Chengdu City, Sichuan Province
Contact name:Ben Xie
Lijing International Optical Equipment Factory |
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Porro Fixed Focus Binoculars Telescopio For Bird Watching
Parameter:
| Type | 7x50F | Objective Diameter | 50mm ±1mm |
| Field Angle | 6.6± 5% | Field of View | 115m at 1000m |
| Exit Pupil Dia | 7mm±10% | Objective Lens | 2E1G |
| Ocular Lens | 3E2G | Prism | Porro |
| Resolving Power | 5.6'' | Focusing System | Fixed Focus |
| Adjust Able Eye Puil | 56-72mm | Optical Material | Optical Glass |
Features:
1.Water proof and fog proof: This binocular can be placed under 1.5
meters of water for 30 minutes.
2.Non slip design and drop resistance: the non slip design can help
you to hold it easily, and the body of this binocular is fully
coated by rubber, so you don't need to worry it will be broken.
3.Large objective diameter: Large 50mm objective lenses have
tremendous light-gathering ability, help you to see better.
4.Multi-coated optics: dramatically increase light transmission for
brighter images with increased contrast and resolution.
5.Large exit pupil: provides maximum light during low-light viewing
sessions.
